package com.itheima.test7;

public class Test02 {

    public static void main(String[] args) {
        int jia = Calculator.jia(10, 20);
        int jian = Calculator.jian(10, 20);
        int cheng= Calculator.cheng(10, 20);
        int chu = Calculator.chu(10, 20);
        System.out.println(jia);
        System.out.println(jian);
        System.out.println(cheng);
        System.out.println(chu);
    }
}
